xbee: disable short address when the address length is set to 8
xbee: disable short address when the address length is set to 8

XBee sends short address even for `API_ID_TX_LONG_ADDR` if short address is
enabled. This results in check sum error of ICMPv6 since the IP address is
computed based on long address on the sender side while it is computed based on
short address on the receiver side.

Hyungsin/RIOT-OS,plushvoxel/RIOT,kerneltask/RIOT,FrancescoErmini/RIOT,aeneby/RIOT,lazytech-org/RIOT,gebart/RIOT,tfar/RIOT,thomaseichinger/RIOT,Ell-i/RIOT,x3ro/RIOT,toonst/RIOT,dailab/RIOT,avmelnikoff/RIOT,jbeyerstedt/RIOT-OTA-update,basilfx/RIOT,OTAkeys/RIOT,altairpearl/RIOT,kaleb-himes/RIOT,alignan/RIOT,authmillenon/RIOT,jbeyerstedt/RIOT-OTA-update,adjih/RIOT,jfischer-phytec-iot/RIOT,neiljay/RIOT,neiljay/RIOT,LudwigOrtmann/RIOT,Ell-i/RIOT,adrianghc/RIOT,wentaoshang/RIOT,kbumsik/RIOT,adjih/RIOT,katezilla/RIOT,zhuoshuguo/RIOT,OTAkeys/RIOT,rousselk/RIOT,LudwigKnuepfer/RIOT,gautric/RIOT,authmillenon/RIOT,rajma996/RIOT,d00616/RIOT,avmelnikoff/RIOT,adjih/RIOT,d00616/RIOT,asanka-code/RIOT,BytesGalore/RIOT,josephnoir/RIOT,kbumsik/RIOT,BytesGalore/RIOT,immesys/RiSyn,mtausig/RIOT,x3ro/RIOT,plushvoxel/RIOT,wentaoshang/RIOT,RIOT-OS/RIOT,aeneby/RIOT,LudwigOrtmann/RIOT,authmillenon/RIOT,beurdouche/RIOT,miri64/RIOT,smlng/RIOT,neumodisch/RIOT,d00616/RIOT,mfrey/RIOT,rousselk/RIOT,basilfx/RIOT,OlegHahm/RIOT,katezilla/RIOT,kYc0o/RIOT,kaleb-himes/RIOT,dkm/RIOT,toonst/RIOT,altairpearl/RIOT,kaleb-himes/RIOT,yogo1212/RIOT,BytesGalore/RIOT,neumodisch/RIOT,neiljay/RIOT,miri64/RIOT,brettswann/RIOT,adrianghc/RIOT,OlegHahm/RIOT,mfrey/RIOT,lazytech-org/RIOT,kYc0o/RIOT,A-Paul/RIOT,OTAkeys/RIOT,gebart/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,katezilla/RIOT,zhuoshuguo/RIOT,immesys/RiSyn,smlng/RIOT,mtausig/RIOT,rousselk/RIOT,biboc/RIOT,attdona/RIOT,lazytech-org/RIOT,basilfx/RIOT,Hyungsin/RIOT-OS,rajma996/RIOT,tfar/RIOT,beurdouche/RIOT,d00616/RIOT,TobiasFredersdorf/RIOT,kerneltask/RIOT,alignan/RIOT,toonst/RIOT,yogo1212/RIOT,altairpearl/RIOT,mfrey/RIOT,TobiasFredersdorf/RIOT,rfuentess/RIOT,Hyungsin/RIOT-OS,adjih/RIOT,A-Paul/RIOT,dkm/RIOT,biboc/RIOT,hamilton-mote/RIOT-OS,katezilla/RIOT,basilfx/RIOT,wentaoshang/RIOT,RIOT-OS/RIOT,Ell-i/RIOT,Ell-i/RIOT,avmelnikoff/RIOT,d00616/RIOT,tfar/RIOT,asanka-code/RIOT,zhuoshuguo/RIOT,jbeyerstedt/RIOT-OTA-update,beurdouche/RIOT,ks156/RIOT,rousselk/RIOT,mtausig/RIOT,rfuentess/RIOT,wentaoshang/RIOT,x3ro/RIOT,miri64/RIOT,smlng/RIOT,jfischer-phytec-iot/RIOT,jremmert-phytec-iot/RIOT,Josar/RIOT,kerneltask/RIOT,brettswann/RIOT,A-Paul/RIOT,FrancescoErmini/RIOT,jasonatran/RIOT,authmillenon/RIOT,rajma996/RIOT,kaspar030/RIOT,kaleb-himes/RIOT,kerneltask/RIOT,toonst/RIOT,LudwigOrtmann/RIOT,rfuentess/RIOT,gebart/RIOT,kb2ma/RIOT,jremmert-phytec-iot/RIOT,mfrey/RIOT,roberthartung/RIOT,aeneby/RIOT,neumodisch/RIOT,Josar/RIOT,mtausig/RIOT,lazytech-org/RIOT,TobiasFredersdorf/RIOT,jfischer-phytec-iot/RIOT,jremmert-phytec-iot/RIOT,kaspar030/RIOT,aeneby/RIOT,smlng/RIOT,tfar/RIOT,TobiasFredersdorf/RIOT,josephnoir/RIOT,roberthartung/RIOT,zhuoshuguo/RIOT,kbumsik/RIOT,asanka-code/RIOT,wentaoshang/RIOT,avmelnikoff/RIOT,malosek/RIOT,dailab/RIOT,kYc0o/RIOT,gautric/RIOT,miri64/RIOT,neumodisch/RIOT,FrancescoErmini/RIOT,malosek/RIOT,attdona/RIOT,brettswann/RIOT,immesys/RiSyn,alignan/RIOT,josephnoir/RIOT,jbeyerstedt/RIOT-OTA-update,asanka-code/RIOT,zhuoshuguo/RIOT,jasonatran/RIOT,biboc/RIOT,kb2ma/RIOT,neiljay/RIOT,alignan/RIOT,LudwigOrtmann/RIOT,A-Paul/RIOT,malosek/RIOT,roberthartung/RIOT,ant9000/RIOT,cladmi/RIOT,x3ro/RIOT,jfischer-phytec-iot/RIOT,brettswann/RIOT,biboc/RIOT,attdona/RIOT,ant9000/RIOT,plushvoxel/RIOT,tfar/RIOT,dkm/RIOT,basilfx/RIOT,FrancescoErmini/RIOT,rousselk/RIOT,kb2ma/RIOT,syin2/RIOT,ks156/RIOT,rajma996/RIOT,kaspar030/RIOT,roberthartung/RIOT,adrianghc/RIOT,aeneby/RIOT,kaspar030/RIOT,avmelnikoff/RIOT,backenklee/RIOT,Josar/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,miri64/RIOT,thomaseichinger/RIOT,cladmi/RIOT,wentaoshang/RIOT,BytesGalore/RIOT,jasonatran/RIOT,x3ro/RIOT,RIOT-OS/RIOT,thomaseichinger/RIOT,yogo1212/RIOT,brettswann/RIOT,hamilton-mote/RIOT-OS,syin2/RIOT,FrancescoErmini/RIOT,neumodisch/RIOT,Josar/RIOT,rajma996/RIOT,Hyungsin/RIOT-OS,dkm/RIOT,BytesGalore/RIOT,yogo1212/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,asanka-code/RIOT,plushvoxel/RIOT,OlegHahm/RIOT,gebart/RIOT,asanka-code/RIOT,Josar/RIOT,OlegHahm/RIOT,kaleb-himes/RIOT,immesys/RiSyn,FrancescoErmini/RIOT,smlng/RIOT,rajma996/RIOT,ant9000/RIOT,altairpearl/RIOT,LudwigOrtmann/RIOT,kYc0o/RIOT,d00616/RIOT,dkm/RIOT,rfuentess/RIOT,syin2/RIOT,yogo1212/RIOT,neumodisch/RIOT,dailab/RIOT,backenklee/RIOT,ks156/RIOT,biboc/RIOT,mtausig/RIOT,plushvoxel/RIOT,yogo1212/RIOT,brettswann/RIOT,attdona/RIOT,backenklee/RIOT,authmillenon/RIOT,gautric/RIOT,gautric/RIOT,neiljay/RIOT,rousselk/RIOT,attdona/RIOT,cladmi/RIOT,dailab/RIOT,jbeyerstedt/RIOT-OTA-update,authmillenon/RIOT,malosek/RIOT,immesys/RiSyn,alignan/RIOT,OTAkeys/RIOT,cladmi/RIOT,LudwigKnuepfer/RIOT,ks156/RIOT,adrianghc/RIOT,ant9000/RIOT,jasonatran/RIOT,rfuentess/RIOT,malosek/RIOT,jfischer-phytec-iot/RIOT,jasonatran/RIOT,beurdouche/RIOT,attdona/RIOT,zhuoshuguo/RIOT,backenklee/RIOT,roberthartung/RIOT,malosek/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,TobiasFredersdorf/RIOT,kbumsik/RIOT,dailab/RIOT,lazytech-org/RIOT,gebart/RIOT,toonst/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,OTAkeys/RIOT,thomaseichinger/RIOT,jremmert-phytec-iot/RIOT,syin2/RIOT,beurdouche/RIOT,syin2/RIOT,jremmert-phytec-iot/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,immesys/RiSyn,adjih/RIOT,hamilton-mote/RIOT-OS,A-Paul/RIOT,adrianghc/RIOT,mfrey/RIOT,kbumsik/RIOT,LudwigKnuepfer/RIOT,RIOT-OS/RIOT,LudwigKnuepfer/RIOT,Ell-i/RIOT,ks156/RIOT,josephnoir/RIOT,kb2ma/RIOT,LudwigOrtmann/RIOT,ant9000/RIOT,thomaseichinger/RIOT,katezilla/RIOT,josephnoir/RIOT,altairpearl/RIOT,backenklee/RIOT,hamilton-mote/RIOT-OS,jremmert-phytec-iot/RIOT,hamilton-mote/RIOT-OS,gautric/RIOT,kerneltask/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,Hyungsin/RIOT-OS,kYc0o/RIOT,kb2ma/RIOT,OlegHahm/RIOT,altairpearl/RIOT